Finding the Fourth Proportional to 146,549.20, 202,239.18 and 79,481.20
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Solution
The fourth proportional to 146,549.20, 202,239.18 and 79,481.20 is: 109,684.75
Step by Step Solution
- Step 1: Write the proportion equation
146,549.20 : 202,239.18 = 79,481.20 : x - Step 2: Convert to fraction form
146,549.20/202,239.18 = 79,481.20/x - Step 3: Cross multiply
146,549.20x = 202,239.18 × 79,481.20 - Step 4: Simplify right side
146,549.20x = 16,074,212,713.42 - Step 5: Solve for x
x = 16,074,212,713.42/146,549.20 - Step 6: Final answer
x = 109,684.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.